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  • 18-08-2021
  • Mathematics
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if f(x)=x-4 find the value if f(x)+f(-x) ​

Respuesta :

crystallee7104
crystallee7104 crystallee7104
  • 18-08-2021

Answer:

2x

Step-by-step explanation:

f(x) = x -4

Step 1:

y = x - 4

Step 2: Replace y with x

x = y - 4

Step 3: Find y

x + 4 = y  

f(-x) = x + 4

f(x) + f(-x) = (x - 4)+ (x + 4) = 2x

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